Best AI tools for< Build Voice Agent >
20 - AI tool Sites

Retell AI
Retell AI provides a Conversational Voice API that enables developers to integrate human-like voice interactions into their applications. With Retell AI's API, developers can easily connect their own Large Language Models (LLMs) to create AI-powered voice agents that can engage in natural and engaging conversations. Retell AI's API offers a range of features, including ultra-low latency, realistic voices with emotions, interruption handling, and end-of-turn detection, ensuring seamless and lifelike conversations. Developers can also customize various aspects of the conversation experience, such as voice stability, backchanneling, and custom voice cloning, to tailor the AI agent to their specific needs. Retell AI's API is designed to be easy to integrate with existing LLMs and frontend applications, making it accessible to developers of all levels.

Watto AI
Watto AI is a platform that offers Conversational AI solutions to businesses, allowing them to build AI voice agents without the need for coding. The platform enables users to collect leads, automate customer support, and facilitate natural interactions through AI voice bots. Watto AI caters to various industries and scenarios, providing human-like conversational AI for mystery shopping, top-quality customer support, and restaurant assistance.

Cerebium
Cerebium is a serverless AI infrastructure platform that allows teams to build, test, and deploy AI applications quickly and efficiently. With a focus on speed, performance, and cost optimization, Cerebium offers a range of features and tools to simplify the development and deployment of AI projects. The platform ensures high reliability, security, and compliance while providing real-time logging, cost tracking, and observability tools. Cerebium also offers GPU variety and effortless autoscaling to meet the diverse needs of developers and businesses.

Gnani.ai
Gnani.ai is an AI application that offers a suite of agentic AI solutions for enterprises, including Inya Workforce for AI automation, Inya Assist for real-time agent support, Inya Shield for voice biometrics, and Inya Insights for call analytics. The platform enables businesses to build and deploy voice and chat agents quickly without the need for coding. With features like automated QA, voice biometrics, and real-time call analytics, Gnani.ai helps businesses improve customer experience, increase operational efficiency, and drive revenue growth across various industries.

Daily
Daily is a platform offering real-time voice, video, and AI solutions for developers. It provides ultra-low latency, open-source SDKs, and enterprise reliability since 2016. Daily collaborates with NVIDIA on Voice Agent Blueprint, offers Pipecat - a vendor-neutral open-source orchestration framework, Daily Bots for Pipecat Cloud deployment, and Daily Infrastructure for running real-time calls on WebRTC global infrastructure. The platform ensures the best video quality on every network, with a global mesh network, low latency, and enterprise-grade security features.

Millis AI
Millis AI is an instant, natural, and affordable voice AI platform designed for developers to create cutting-edge voice agents with low latency. The platform offers optimized conversation flow handling, affordable accessibility, seamless integration, and scalable expertise. With rates starting at $0.06/min, Millis AI enables users to build human-like voice agents that can manage interruptions and understand human intent. The platform also provides DevOps engineers' expertise in scaling systems for enterprise-level applications.

Millis AI
Millis AI is an advanced AI tool that enables users to effortlessly create next-gen voice agents with ultra-low latency, providing a seamless and natural conversational experience. It offers affordable pricing, integration with various services through webhooks, and the ability to connect phone numbers to AI voice agents for inbound/outbound calls in over 100 countries. With Millis AI, users can build and deploy voice agents in minutes, from no-code to low-code developers, and transform voice interactions across industries.

Simple AI
Simple AI is an AI application that allows users to build hyper-realistic voice agents and deploy voice AI-powered phone calls in minutes. It offers customization options to fit individual needs, knowledge base search, seamless transfer to human agents, scalability to handle thousands of calls simultaneously, integration with various APIs, and multilingual support. Simple AI is trusted for handling inbound and outbound calls, leads qualification, logistics coordination, customer support, interviewing, sales representation, and receptionist tasks. The application is backed by Y Combinator and supports 29 languages out of the box.

Retell AI
Retell AI is a powerful voice agent platform that enables users to build, test, deploy, and monitor AI voice agents at scale. It offers features such as call transfer, appointment booking, IVR navigation, batch calling, and post-call analysis. Retell AI provides advantages like verified phone numbers, branded call ID, custom analysis, and case studies. However, some disadvantages include the need for initial setup by an engineer, ongoing maintenance, and potential concurrent call limitations. The application is suitable for various industries and use cases, with multilingual support and compliance with industry standards.

Insighto
Insighto is an AI Agent Builder offering Conversational AI Chatbots & AI Voice Agents. It provides a complete AI-led communication solution for transforming digital customer conversations via voice and chat. The platform offers personalized support, human-like AI phone calling, and omnichannel engagement with integrated AI agents. Insighto supports over 50 languages, trainable voice agents, and a comprehensive tools library for easy integration with third-party services. It caters to various industries like healthcare, real estate, restaurants, and SaaS, enhancing efficiency and customer experience.

Synthflow
Synthflow is an AI phone calling platform that offers AI receptionist and answering services. It allows users to build a no-code AI phone system with AI voice agents, automate routine calls, provide 24/7 customer support, and track performance insights. The platform integrates with various CRMs, offers real-time booking, multi-human transfer, post-call actions, and custom actions. Users can manage contacts, track conversation history, and connect with systems like HubSpot, GoHighLevel, and Zoho. Synthflow is known for its white-label solution, transparent billing, and easy integrations.

echowin
echowin is an AI Voice Agent Builder Platform that enables businesses to create AI agents for calls, chat, and Discord. It offers a comprehensive solution for automating customer support with features like Agentic AI logic and reasoning, support for over 30 languages, parallel call answering, and 24/7 availability. The platform allows users to build, train, test, and deploy AI agents quickly and efficiently, without compromising on capabilities or scalability. With a focus on simplicity and effectiveness, echowin empowers businesses to enhance customer interactions and streamline operations through cutting-edge AI technology.

Vocode
Vocode is an open-source voice AI platform that enables users to build, deploy, and scale hyperrealistic voice agents. It offers fully programmable voice bots that can be integrated into workflows without the need for human intervention. With multilingual capability, custom language models, and the ability to connect to knowledge bases, Vocode provides a comprehensive solution for automating actions like scheduling, payments, and more. The platform also offers analytics and monitoring features to track bot performance and customer interactions, making it a valuable tool for businesses looking to enhance customer support and engagement.

Regal
Regal is an AI Agent Platform that enhances business outcomes by leveraging AI technology to transform support, sales, and operations processes. The platform offers a range of AI agents, including autonomous AI agents, AI phone agents, and AI chat & SMS agents, designed to streamline customer interactions and improve efficiency. Regal provides solutions for various industries such as healthcare, insurance, education, eCommerce, and more, enabling businesses to automate critical calls, qualify leads, schedule appointments, handle collections, and improve customer engagement. With features like unified customer profiles, journey builder, IVR, A/B testing, and analytics, Regal empowers enterprises to build and deploy AI voice agents that deliver human-level precision and enhance customer experiences.

Nurix AI
Nurix AI is a custom AI agent partner that offers solutions to automate workflows, build AI products, and transform enterprise workflows. Their AI agents enable proactive actions, seamless integration, and advanced voice capabilities. Nurix provides end-to-end AI solutions tailored for startups, with a team of experts from leading tech companies. Clients benefit from improved sales conversions, increased sales reach, and cost efficiency. Nurix is trusted by leading brands to deliver cutting-edge AI solutions.

Voiceflow
Voiceflow is a powerful, flexible, and collaborative platform for building AI automation. It allows teams of any size to build agents of any scale and complexity, easily. Voiceflow's visual workflow builder is used by developers and designers to collaboratively create, iterate, and ship complex agents. Voiceflow also offers a central CMS for managing all of your agent content, including variables, intents, entities, and knowledge base sources. With Voiceflow, you can integrate with any API or service, share and test prototypes, and launch agents to any interface.

Bibit AI
Bibit AI is a real estate marketing AI designed to enhance the efficiency and effectiveness of real estate marketing and sales. It can help create listings, descriptions, and property content, and offers a host of other features. Bibit AI is the world's first AI for Real Estate. We are transforming the real estate industry by boosting efficiency and simplifying tasks like listing creation and content generation.

Picovoice
Picovoice is an on-device Voice AI and local LLM platform designed for enterprises. It offers a range of voice AI and LLM solutions, including speech-to-text, noise suppression, speaker recognition, speech-to-index, wake word detection, and more. Picovoice empowers developers to build virtual assistants and AI-powered products with compliance, reliability, and scalability in mind. The platform allows enterprises to process data locally without relying on third-party remote servers, ensuring data privacy and security. With a focus on cutting-edge AI technology, Picovoice enables users to stay ahead of the curve and adapt quickly to changing customer needs.

Agent4
Agent4 is an AI-driven virtual agent platform that allows users to create custom voice experiences for callers to their business or mobile phone. The platform enables users to build intelligent agents that can answer calls, place calls, book meetings, listen to voicemails, and provide summaries. Agent4 offers real-time call monitoring, sentiment analysis for voicemails, and filtering out robocallers. Users can customize their agents with their own content and access their systems, making it a versatile tool for various call handling tasks.

Otherhalf
Otherhalf.ai is an AI companion application that offers immersive experiences by creating unique and engaging virtual characters. Users can interact with these characters, each with distinct personalities and adaptive behaviors, to provide new and exciting experiences. The application aims to provide companionship and entertainment to users, especially those who may feel isolated or disconnected in their daily lives.
1 - Open Source AI Tools

ASTRA.ai
ASTRA is an open-source platform designed for developing applications utilizing large language models. It merges the ideas of Backend-as-a-Service and LLM operations, allowing developers to swiftly create production-ready generative AI applications. Additionally, it empowers non-technical users to engage in defining and managing data operations for AI applications. With ASTRA, you can easily create real-time, multi-modal AI applications with low latency, even without any coding knowledge.
20 - OpenAI Gpts

Build a Brand
Unique custom images based on your input. Just type ideas and the brand image is created.

Beam Eye Tracker Extension Copilot
Build extensions using the Eyeware Beam eye tracking SDK

Business Model Canvas Strategist
Business Model Canvas Creator - Build and evaluate your business model

League Champion Builder GPT
Build your own League of Legends Style Champion with Abilities, Back Story and Splash Art

RenovaTecno
Your tech buddy helping you refurbish or build a PC from scratch, tailored to your needs, budget, and language.

Gradle Expert
Your expert in Gradle build configuration, offering clear, practical advice.

XRPL GPT
Build on the XRP Ledger with assistance from this GPT trained on extensive documentation and code samples.